Cultivator.



PATBNTBD NOV. 20, 1906.

S. D. MGURE. ULTIV ATORQ. APPLICATION FILED un. 1v. woe.

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No. 836,455. PATENTED NOV. 20, 1906. S. D. MGGUIRE.

. GULTIVATOR. APPLICATION YILED APB..17. 1906.

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'UNITED sTATss PATENT clinics.

SQUIRE D. MCGUIRE, OF ARKOE, MISSOURI, ASSIGNOR OF ONE-HALF TO JEFFERSON O. HOOKER, OF SAN DIEGO, CALIFORNIA.

CULTIVATOR.

Specification of Letters Patent.

Patented Nov. 20, 1906.

Application filed April 17, 1906. Serial No. 312,192.

Be it known that I, SQUIRE D. MCGUIRE, a citizen of the United States, and a resident of Arkoe, in the county of Nodaway and State of Missouri, have invented certain new and useful Improvements in Oultivators, of which the following is a full and complete speciiication.

My invention relates to machines for cultivating growing crops, and has for its object the provision of a device with conical-shaped rollers to straddle the row of growing corn, potatoes, and other vegetation planted in rows, the purpose of said rollers being to break up and pulverize the soil and leave a smooth surface incline toward the row to refleet the suns rays thereon, as well as to (efleet the rain-water thereto. The conicalshaped rollers are arranged in pairs at the front and rear of the machine, and intermediate thereof are cultivating oisks or blades journaled on swinging wing-frames, so that the pitch of the blades and the depth of the cut may be regulated to suit the nature of the work to be performed, sid e board s being provid ed to prevent the soil from being thrown onto the growing plants.

My invention will be described in detail hereinafter and illustrated in the accompanying drawings, in which- Figure l is a top plan view of my improved cultivator; Fig. 2, a side view, and Fig. 3 a rear view.

In the drawings similar reference characters inicate correspon ing parts throughout the several views.

Inasmuch as my device is to be used as a straddle-row cultivator, it is desirable that the operator may be able to see the row of plants, so as to guide the device for most effective work, and I thereforeprovid e a draftframe consistingfof two beams l, bent at their forward ends toward one another and secured to a clevis 2, to which are attached the draft-animals.` Cross-braces 3 connect beams 1, so as to space them apart for the purpose stated, and at the rear of the beams are pivotally secured the handles i for the operator, which are also braced by cross-pieces 5, as in the common construction of plowhandles. The height of the handles may be arranged to suit the convenience of the operator by means of the series of holes 6 in the plates 7 at the rear end of beams l, and the rod 8, which is removable, so that it can be secured through any pair of the holes 6.

9 indicates side boards secured to beams I by means of vertical bars I() and 10L at the front and rear of the machine, respectively.

11 represents conical-shape?y rollers journaled on shaft 12, supported by braces I3,

secured at the front end of beams I, saidA rollers being spaced apart, so as to stradcle the row of growing plants. 14 indicates other braces secured to beams 1 an 'i to the outer ends of the shaft I2 to make a more stable construction. The edges of saii braces may be so shape i, if desiree, as to act as scrapers for the surface of the rollers. 15 indicates other conical-shaped rollers journalei on shaft 16, secure i to arms I7, pivotally secured to hangers I8 on beams I, sainl rollers being located, as shown, at the rear of the machine.

I9 represents a rod secured through holes in vertical bars 10L to limit the upwari movement of rollers I5 relative to the balance of the machine, or, if riesirel, the ro i 19 may bo removed, ani the rollers 15 will then be held in place by their weight.

20 indicates an angular wing hinged on the side of each beam 1, while 21 indicates a plurality of turn-blocks journaled on each wing 20, in each of which is adjustably secured, by means of a set-screw 22, an arm 23 to support a cultivator-blade. In the form shown in the drawings the arm 23 is formed with its lower end forked, as shown at 24, with a disk v25 rotatably secured therein; but instead of this form of arm a straight bar may be substituted, if desired, to which may be secured any ordinary form of cultivator-blade.

2la indicates arms extending from blocks `2l, having their free ends secured to a bar 26, slidably mounted on each wing 20 and provided with notches 27 on its lower side to engage the rear side of its supporting-wing 20, the purpose of said construction being to regulate the angle of the cultivating-disks 25, a spring 28being secured to each bar 26 and bearing against guide 29 tohold the notches in. engagement with the said wing 20.

30 indicates a semicircular plate secured to the top of beams l and transversely thereof and having notches 30a in its edge.

31 indicates levers fulcrumed on plate 30 and having spring-actuated sliding pawls 32 mounted thereon to engage the notches 30a, said pawls being actuated by means of IOO grip-levers 33, secured to said pawls by means of rods 34. 35 indicates links secured to levers 33 and the rear side of wings 20, the purpose of this construction being to provide for swinging wings 2O so as to regulate the depth of cut and pitch of the cultivator-disks 25 and to raise them into an inoperative position when the machine is not in operation. e 4

It will be understood that, if desired, my cultivator is capable of being arranged in gangs of two or more by connecting the clevn ises of the several machines with rods and securing the draft appliances thereto. I do not show this feature in the drawings, as such construction would be readily understood by any one familiar with the operation of farm machinery and because I do not consider that such duplication of machines would be a patentable feature per se.

In Operation it will be found that the conical-shaped rollers insure easy guiding of the machine, as tilting the machine to one side l of the perpendicular will throw the weight on y the rollers on that side of the machine and cause the machine to sheer to thatv side, while l by keeping the weight of the machine equally l on all of the rollers will prevent side draft, l| because of the resistance offered. by the inner edges of the rollers. l

Having thus described .my invention, what i I claim is#- l l. In a cultivator, a frame, rollers jouri naled thereon, angular wings hinged to said l frame, cultivating devices rotatably secured l to'said wings, means to simultaneously rotate the cultivating devices on each wing and means to adjust the wings relatively to said frame, substantially as shown and described.

2. In a cultivator, a frame, conical-shaped rollers journaled thereon, angular wings hinged to said frame, turn-blocks journaled on said wings, arms extending from said blocks, bars secured to said arms, a vertical arm adjustably secured in each block, cultivater-disks rotatably secured to said verti- `cal arms, and means to adjust the wings relative to said frame, substantially as shown and described.

3. In a cultivator, a frame, conical-shaped rollers journaled thereon, angular wings hinged to said frame, turn-blocks journaled on said wings, arms extending from said blocks, bars secured to said arms, a vertical arm adjustably secured in each block, cultivatOr-disks rotatably secured to said vertical arms, a semicircular notched plate secured to said frame, levers fulcrumed on said late links cOnnectinO- said levers and the p C wings, and spring-actuated pawls on said levers to engage the notches in said plate, sub? stantially as shown and described.

In witness whereof I have hereunto set my hand in presence of two subscribing witnesses.

SQUIRE D. MGGUIRE.

In presence of GEORGE D. COOK, GEO. W. COLE. 

